Inner sheet for hamburger



FIG. 1 is a perspective view of an inner sheet for hamburger showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an environmental in use perspective view thereof. 

CLAIM The ornamental design for an inner sheet for hamburger, as shown and described. 